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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 1.7K Followers • 05:00, Nov 13 Local time

60

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

13.8 µg/m³

weather condition icon

9°

wind direction icon

19 km/h

weather humid icon

46 %

Hourly forecast

Ontario air quality index (AQI⁺) forecast

Now

60

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 122 degree

19

km/h

Humidity icon

46%

09:00

45

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

21

km/h

Humidity icon

42%

10:00

40

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

24

km/h

Humidity icon

37%

11:00

34

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

29

km/h

Humidity icon

32%

12:00

29

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

33

km/h

Humidity icon

29%

13:00

24

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

29

km/h

Humidity icon

27%

14:00

20

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

27

km/h

Humidity icon

26%

15:00

15

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 170 degree

26

km/h

Humidity icon

26%

16:00

11

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 154 degree

19

km/h

Humidity icon

25%

17:00

6

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

18

km/h

Humidity icon

26%

18:00

7

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

13

km/h

Humidity icon

31%

19:00

8

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 152 degree

15

km/h

Humidity icon

32%

20:00

9

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 153 degree

13

km/h

Humidity icon

37%

21:00

8

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 240 degree

27

km/h

Humidity icon

54%

22:00

8

Weather icon

80%

11°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

10

km/h

Humidity icon

73%

23:00

8

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

12

km/h

Humidity icon

81%

Sat

00:00

8

Weather icon

80%

10°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

22

km/h

Humidity icon

74%

01:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 212 degree

19

km/h

Humidity icon

66%

02:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

11

km/h

Humidity icon

65%

03:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

17

km/h

Humidity icon

61%

04:00

8

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

27

km/h

Humidity icon

56%

05:00

9

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

25

km/h

Humidity icon

57%

06:00

9

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

19

km/h

Humidity icon

59%

07:00

10

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 235 degree

15

km/h

Humidity icon

62%

08:00

11

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 205 degree

10

km/h

Humidity icon

68%

09:00

11

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 228 degree

7

km/h

Humidity icon

62%

10:00

12

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

19

km/h

Humidity icon

50%

11:00

13

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

20

km/h

Humidity icon

45%

12:00

11

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

19

km/h

Humidity icon

41%

13:00

9

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 253 degree

20

km/h

Humidity icon

41%

14:00

7

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

17

km/h

Humidity icon

44%

15:00

6

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

13

km/h

Humidity icon

44%

16:00

6

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

5

km/h

Humidity icon

42%

17:00

6

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

7

km/h

Humidity icon

49%

18:00

7

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9°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

10

km/h

Humidity icon

56%

19:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 120 degree

11

km/h

Humidity icon

58%

20:00

9

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

11

km/h

Humidity icon

61%

21:00

9

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

10

km/h

Humidity icon

62%

22:00

9

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

10

km/h

Humidity icon

62%

23:00

9

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

8

km/h

Humidity icon

64%

Sun

00:00

8

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 118 degree

10

km/h

Humidity icon

64%

01:00

7

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

10

km/h

Humidity icon

63%

02:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 116 degree

6

km/h

Humidity icon

64%

03:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 104 degree

6

km/h

Humidity icon

64%

04:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 105 degree

7

km/h

Humidity icon

64%

05:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

8

km/h

Humidity icon

64%

06:00

11

Weather icon

6°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

8

km/h

Humidity icon

64%

07:00

16

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

10

km/h

Humidity icon

61%

08:00

22

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 130 degree

12

km/h

Humidity icon

57%

09:00

21

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

17

km/h

Humidity icon

52%

10:00

20

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 142 degree

23

km/h

Humidity icon

46%

11:00

19

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

29

km/h

Humidity icon

41%

12:00

17

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 151 degree

28

km/h

Humidity icon

38%

13:00

15

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

27

km/h

Humidity icon

34%

14:00

14

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 161 degree

26

km/h

Humidity icon

34%

15:00

12

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

19

km/h

Humidity icon

33%

16:00

10

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 191 degree

16

km/h

Humidity icon

34%

17:00

9

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

5

km/h

Humidity icon

39%

18:00

8

Weather icon

70%

10°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

8

km/h

Humidity icon

52%

19:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

8

km/h

Humidity icon

62%

20:00

8

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

11

km/h

Humidity icon

68%

21:00

7

Weather icon

9°

IQAir AirVisual Air Quality Map Wind rotating 337 degree

10

km/h

Humidity icon

73%

22:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

10

km/h

Humidity icon

79%

23:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

6

km/h

Humidity icon

79%

Mon

00:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

8

km/h

Humidity icon

81%

01:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 1 degree

6

km/h

Humidity icon

84%

02:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 321 degree

7

km/h

Humidity icon

88%

03:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 12 degree

9

km/h

Humidity icon

83%

04:00

6

Weather icon

7°

IQAir AirVisual Air Quality Map Wind rotating 350 degree

5

km/h

Humidity icon

85%

05:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 355 degree

4

km/h

Humidity icon

79%

06:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

6

km/h

Humidity icon

75%

07:00

6

Weather icon

8°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

4

km/h

Humidity icon

78%

Daily forecast

|

Ontario air quality index (AQI⁺) forecast

Air pollutants

What is the current air quality in Ontario?

IQAir exclamation icon

PM2.5 concentration is currently 2.8 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Protect yourself from air pollution in Ontario

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Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in Ontario today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in Ontario

Health recommendations

Pollen

What is the pollen count in Ontario today?

Index

Pollen global icon

Low

Pollen tree icon

Tree

None

0%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

Low

25%

Source:

wetter.com
Pollen forecast in Ontario

Protect yourself from air pollution in Ontario

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near Ontario

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Ontario

#StationsAQI⁺ US
1
The national flag of USA

Ontario May Roberts Elementary School

61

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Calexico, California

122

2
The national flag of USA

Hawaii, Hawaii

90

3
The national flag of USA

Salem, Oregon

84

4
The national flag of USA

Benton City, Washington

83

5
The national flag of USA

Coeur d'Alene, Idaho

83

6
The national flag of USA

Derby, Colorado

82

7
The national flag of USA

Imperial, California

80

8
The national flag of USA

El Centro, California

79

9
The national flag of USA

Keyes, California

79

10
The national flag of USA

The Dalles, Oregon

79

History

Historic air quality graph for Ontario

61 AQI⁺ US
Moderate
07:00–08:00 Nov 13 Local time
AQI⁺ US

History

Historic air quality graph for Ontario

61 AQI⁺ US
Moderate
07:00–08:00 Nov 13 Local time
AQI⁺ US

Most polluted locations near Ontario

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Ontario

#StationsAQI⁺ US
1
The national flag of USA

Ontario May Roberts Elementary School

61

City ranking

Real-time USA AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Calexico, California

122

2
The national flag of USA

Hawaii, Hawaii

90

3
The national flag of USA

Salem, Oregon

84

4
The national flag of USA

Benton City, Washington

83

5
The national flag of USA

Coeur d'Alene, Idaho

83

6
The national flag of USA

Derby, Colorado

82

7
The national flag of USA

Imperial, California

80

8
The national flag of USA

El Centro, California

79

9
The national flag of USA

Keyes, California

79

10
The national flag of USA

The Dalles, Oregon

79

Measure your own air quality

Get a monitor and contribute air quality data in your city.

Where is the cleanest air quality in Ontario?